CN210457951U

CN210457951U - Positioning device on toughened glass machine

Info

Publication number: CN210457951U
Application number: CN201921144619.4U
Authority: CN
Inventors: 孙五
Original assignee: Nanjing Songhai Glass Co Ltd
Current assignee: Nanjing Songhai Glass Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-05-05
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a positioning device on a toughened glass machine, which relates to the technical field of glass production and aims to solve the problem that the prior toughened glass can not be stably transmitted on a transmission roller after coming out of the toughened glass machine, its technical essential is including setting up the baffle in toughened glass machine both sides, set up the regulation base plate at the transfer roller feed end, run through the regulation logical groove of setting on the regulation base plate, slide and set up first slip base plate and the second slip base plate in adjusting logical inslot, set up respectively at first centering offset plate and the second centering offset plate of first slip base plate and second slip base plate bottom, still including setting up the synchronous drive subassembly at the regulation base plate upper surface, contact inductor, infrared inductor, the utility model discloses can make the toughened glass who comes out by the toughened glass machine enter into the transfer roller on straightly, avoid taking place the slope on the transfer roller at toughened glass.

Description

Positioning device on toughened glass machine

Technical Field

The utility model relates to a toughened glass produces technical field, and more specifically says, it relates to a positioner on toughened glass machine.

Background

The toughened glass is glass with compressive stress on the surface, belongs to safety glass, and generally adopts a chemical or physical method to form compressive stress on the surface of the glass and form tensile stress inside the glass, so that the bearing capacity is improved, and the wind pressure resistance, the cold and hot property, the impact property and the like of the glass are enhanced.

As shown in fig. 1, after heating the glass, the glass is sent to a tempered glass machine 1, enters an air grid, passes through tempering emergency cooling air, tempering cooling air and tempering discharging, and then is conveyed to the next processing link by a conveying roller 33.

However, toughened glass takes place the slope easily after blowing in toughened glass built-in, not only makes toughened glass in the transfer process easily, the toughened glass machine of falling out from the edgewise, when toughened glass is carried on the transfer roller by the toughened glass machine in addition, toughened glass's position can change, when toughened glass's length direction can not be with the axial vertically of transfer roller, along with toughened glass's conveying, toughened glass can deviate from the direction of transfer on the transfer roller, and the phenomenon that takes place to drop.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a positioner on toughened glass machine can make the toughened glass who comes out by the toughened glass machine enter into the transfer roller on straightly, avoids taking place the slope at toughened glass on the transfer roller.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a positioner on toughened glass machine, includes the baffle that sets up in toughened glass machine both sides, through the support column setting at the transfer roller feed end and lie in the regulation base plate of transfer roller top, run through the regulation logical groove that sets up on adjusting the base plate along vertical direction, slide and set up first slip base plate and the second slip base plate in adjusting logical inslot, first slip base plate and second slip base plate along the direction relative movement of perpendicular to transfer roller conveying, still include first centering support plate and second centering support plate that sets up respectively in first slip base plate and second slip base plate bottom, the relative lateral wall of first centering support plate and second centering support plate is perpendicular to the axis of transfer roller and bottom and transfer roller butt, still including setting up the synchronous drive subassembly that is used for driving first slip base plate and second slip base plate relative slip on adjusting the base plate upper surface, the synchronous drive subassembly that sets up in the tempering base plate, The device comprises a first centering butt plate, a second centering butt plate, a conveying roller, a synchronous driving assembly and a control assembly, wherein the first centering butt plate and the second centering butt plate are respectively provided with two contact inductors on opposite side walls, the four induction ends of the four contact inductors are positioned at the four corners of a horizontal rectangle with one side vertical to the axis of the conveying roller, the infrared inductors are arranged at the feeding end of the conveying roller and positioned at one side of an adjusting substrate close to a toughened glass machine, and the synchronous driving assembly receives signals of the contact inductors and the infrared inductors through an automatic controller to work.

By adopting the technical scheme, the limit baffle prevents the toughened glass from falling out of the toughened glass machine, simultaneously, when the infrared inductor senses that the toughened glass moves onto the conveying roller, the automatic controller can control the synchronous driving assembly to work, so that the first centering butt plate and the second centering butt plate are relatively close to and clamped on the toughened glass, the position of the toughened glass is adjusted, when four contact inductors are in contact with the toughened glass, the toughened glass is illustrated to be adjusted to the direction that the length direction is axially vertical to the conveying roller, further the toughened glass can be straightly transmitted on the conveying roller, simultaneously, the automatic controller can also receive signals of the four contact inductors, so that the synchronous driving assembly controls the first centering butt plate and the second centering butt plate to be relatively far away, the conveying of the toughened glass can not be hindered, further, the utility model can enable the toughened glass coming out of the toughened glass machine to straightly enter the conveying roller, the toughened glass is prevented from inclining on the conveying roller.

The utility model discloses a further set up as, the synchronous drive subassembly including relative setting first drive seat and the second drive seat of first base plate and the second base plate upper surface that slides, run through first drive screw groove and the second drive screw groove of setting on first drive seat and the second drive seat relative lateral wall respectively, the screw thread opposite direction in first drive screw groove and second drive screw groove still includes and rotates the drive screw who sets up at the regulation base plate upper surface through bearing frame and bearing, drive screw extends and with first drive screw groove and second drive screw groove threaded connection along the direction of transfer of perpendicular to transfer roller, still including setting up drive screw pivoted servo motor on the regulation base plate, automatic control controls drive screw through the signal that receives contact inductor and infrared inductor and rotates.

By adopting the technical scheme, when the servo motor controls the driving screw to rotate, because the thread directions of the first driving screw groove and the second driving screw groove are opposite, the first driving seat and the second driving seat can drive the first sliding substrate and the second sliding substrate to move relatively when the first driving screw groove and the second driving screw groove respectively rotate with the driving screw.

The utility model discloses a further set up as, it is provided with the grinding roller that prevents that a plurality of axes extend along vertical direction to rotate on the relative lateral wall of board is supported to first centering and second centering, and is a plurality of one side that the grinding roller was contradicted with toughened glass is located the horizontal rectangle edge in response end place of four contact inductors.

By adopting the technical scheme, when the tempered glass is clamped on the opposite side walls of the first centering resisting plate and the second centering resisting plate in the conveying process, the anti-abrasion roller rolls, the friction form between the first centering resisting plate and the tempered glass and the friction form between the second centering resisting plate and the tempered glass are converted into rolling friction through sliding friction, the friction force between the first centering resisting plate and the tempered glass is reduced, and then the side walls of the tempered glass can be prevented from being abraded.

The utility model discloses a further set up to, first centering is supported board and second centering and is supported the board and all include with first slide base plate and second slide base plate connection's connecting plate, set up the groove of sliding in the connecting plate bottom, slide the setting at the conflict board of the inslot that slides and set up the tension spring between supporting touch panel top and the groove cell wall that slides, support the bottom and the transfer roller butt of touch panel.

Through taking above-mentioned technical scheme, under tension spring's effect, the conflict board can move to the direction of transfer roller along the cell wall in groove that slides, and then the bottom of conflict board supports on the transfer roller, and then avoids first centering to support board and second centering to support the board when cliping toughened glass, because toughened glass is too thin and the phenomenon of empty clamp takes place.

The utility model discloses a further set up to, the bottom of first base plate and the second base plate that slides all is provided with the mounting groove, the top of first centering is supported board and second centering and is supported the board all is provided with the mounting panel of pegging graft with the mounting groove, all be provided with the fixed logical groove that extends to the mounting groove on the vertical lateral wall of first base plate and the second base plate that slides, be provided with the fixed slot relative with fixed logical groove on the mounting panel, threaded connection has fixing bolt between fixed slot and the fixed logical groove.

Through taking above-mentioned technical scheme, insert the mounting panel in the mounting groove, then with fixing bolt threaded connection between fixed slot and fixed logical groove, can realize first base plate and the second base plate that slides and support the releasable connection of board and second centering respectively with the centering, the first centering of the later stage of being convenient for is supported the change and the maintenance of board and second centering.

The utility model discloses a further set up to, the bottom of touch panel is provided with a plurality of axes and the parallel drag reduction roller of transfer roller axis, the one end that the drag reduction roller is close to toughened glass is located four contact inductor's response end place horizontal rectangle edges.

Through taking above-mentioned technical scheme, when conflict board butt is on the transfer roller, the friction form of drag reduction roller between with conflict board and the transfer roller is turned into rolling friction by sliding friction, has reduced the frictional force between transfer roller and the conflict board, and then can avoid causing wearing and tearing to the conflict bar.

The utility model discloses a further set up as, be provided with elastic buffer pad on the perisporium of anti-grinding roller, elastic buffer pad after the deformation is located four contact inductors's response end place horizontal rectangle edges with one side of toughened glass contact.

Through adopting above-mentioned technical scheme, avoid when toughened glass contacts the anti-grinding roller, because the improper wearing and tearing that cause toughened glass of clamping-force.

The utility model discloses a further set up as, the vertical lateral wall top that board and second centering were supported to the first centering all is provided with the limiting plate, the upper surface and the regulation base plate lower surface butt of limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate with adjust the base plate butt, can be spacing to first centering to the board and the second centering to the board in vertical direction, avoid to the first centering to the board and the second centering to the board takes place the slope.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model utilizes the first centering support plate, the second centering support plate, the synchronous driving component and the like to adjust the orientation of the toughened glass, so that the toughened glass is adjusted to the direction which is vertical to the axial direction of the transfer roller in the length direction, and further the utility model can ensure that the toughened glass coming out of the toughened glass machine can straightly enter the transfer roller, and the toughened glass is prevented from inclining on the transfer roller;

2. the utility model provides an among the synchronous drive subassembly, the screw thread opposite direction of first drive thread groove and second drive thread groove, and then first drive seat and second drive seat when first drive thread groove and second drive thread groove take place screw thread pivoted with drive screw respectively, can drive first base plate and the second relative motion of base plate that slides, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the prior art.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a cross-sectional view of the first centering butt plate and the second centering butt plate of the present invention.

Reference numerals: 1. a toughened glass machine; 2. a baffle plate; 3. a support pillar; 4. adjusting the substrate; 5. adjusting the through groove; 6. a first sliding substrate; 7. a second slip substrate; 8. a first centering butt plate; 9. a second centering butt plate; 10. a synchronous drive assembly; 11. a contact sensor; 12. an infrared sensor; 13. an automatic controller; 14. a first driving seat; 15. a second driving seat; 16. a first drive screw groove; 17. a second drive screw groove; 18. a drive screw; 19. a servo motor; 20. anti-grinding roller; 21. a connecting plate; 22. a sliding groove; 23. a touch plate; 24. a tension spring; 25. mounting grooves; 26. mounting a plate; 27. fixing the through groove; 28. fixing grooves; 29. fixing the bolt; 30. a drag reduction roller; 31. an elastic cushion pad; 32. a limiting plate; 33. and (6) conveying rollers.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model discloses a positioner on toughened glass machine, as figure 2, figure 3 and figure 4 are shown, including setting up baffle 2 in toughened glass machine 1 both sides, set up at the transfer roller 33 feed end and be located the regulation base plate 4 of transfer roller 33 top through support column 3, it leads to groove 5 to run through the regulation of setting on regulation base plate 4 along vertical direction, slide and set up first slip base plate 6 and second slip base plate 7 in adjusting logical groove 5, first slip base plate 6 and second slip base plate 7 are along the direction relative movement of perpendicular to transfer roller 33 conveying, still including setting up respectively at first slip base plate 6 and second slip base plate 7 first in to butt plate 8 and second in to butt plate 9, butt plate 9 in first in to butt plate 8 and second in to butt plate 9's the relative lateral wall perpendicular to transfer roller 33 axis and bottom and transfer roller 33 butt, still including setting up and be used for driving first slip base plate 6 and second slip base plate 7 and relatively smooth in adjusting base plate 4 upper surface The moving synchronous driving assembly 10 is respectively arranged on two contact inductors 11 on opposite side walls of a first middle abutting plate 8 and a second middle abutting plate 9, the induction ends of the four contact inductors 11 are positioned at the four corners of a horizontal rectangle with one side perpendicular to the axis of a conveying roller 33, the moving synchronous driving assembly further comprises an infrared inductor 12 which is arranged at the feeding end of the conveying roller 33 and positioned at one side of an adjusting substrate 4 close to the toughened glass machine 1, and the synchronous driving assembly 10 works by receiving signals of the contact inductors 11 and the infrared inductor 12 through an automatic controller 13.

The limiting baffle 2 prevents the toughened glass from falling out of the toughened glass machine 1, after the toughened glass is output from the toughened glass machine 1, the infrared sensor 12 senses that the toughened glass moves to the conveying rollers 33, the automatic controller 13 controls the synchronous driving assembly 10 to work, the first sliding substrate 6 and the second sliding substrate 7 are relatively close to each other in the adjusting through groove 5, further the first middle supporting plate 8 and the second middle supporting plate 9 are driven to relatively close to each other and clamp the toughened glass, the toughened glass is acted by the side walls of the first middle supporting plate 8 and the second middle supporting plate 9, the orientation of the toughened glass on the conveying rollers 33 is changed, when the four contact sensors 11 contact the toughened glass, the toughened glass is adjusted to the direction which is vertical to the axial direction of the conveying rollers 33, further the toughened glass can be straightly transmitted on the conveying rollers 33, and simultaneously, the four contact sensors 11 transmit signals to the automatic controller 13, make synchronous drive assembly 10 control first to in to keep away from relatively with second to in to the board 8, can not hinder toughened glass's conveying, and then the utility model discloses can make the toughened glass who comes out by toughened glass machine 1 enter into transfer roller 33 on straightly, avoid taking place the slope at toughened glass on transfer roller 33.

Meanwhile, as shown in fig. 3 and 5, in order to avoid the first centering support plate 8 and the second centering support plate 9 from inclining, in the present invention, the top ends of the vertical side walls of the first centering support plate 8 and the second centering support plate 9 are both provided with a limiting plate 32, and the upper surface of the limiting plate 32 is abutted to the lower surface of the adjusting base plate 4; limiting plate 32 and regulation base plate 4 butt can be spacing to first butt plate 8 and the second butt plate 9 in the vertical direction, avoid to butt plate 8 and the second butt plate 9 in the first butt and take place the slope.

As shown in fig. 2, 3 and 4, the synchronous drive assembly 10 includes a first drive seat 14 and a second drive seat 15 oppositely disposed on the upper surfaces of the first sliding substrate 6 and the second sliding substrate 7, a first driving screw groove 16 and a second driving screw groove 17 respectively penetrating through opposite side walls of the first driving seat 14 and the second driving seat 15, wherein the thread directions of the first driving screw groove 16 and the second driving screw groove 17 are opposite, the automatic control device further comprises a driving screw 18 rotatably arranged on the upper surface of the adjusting substrate 4 through a bearing seat and a bearing, the driving screw 18 extends along the conveying direction perpendicular to the conveying roller 33 and is in threaded connection with the first driving screw groove 16 and the second driving screw groove 17, the automatic control device further comprises a servo motor 19 arranged on the adjusting substrate 4 and used for driving the driving screw 18 to rotate, and the automatic control device 13 receives signals of the contact sensor 11 and the infrared sensor 12 to control the driving screw 18 to rotate; after the servo motor 19 is started, the driving screw 18 simultaneously and the first driving screw groove 16 and the second driving screw groove 17 generate screw rotation, and due to the fact that the screw directions of the first driving screw groove 16 and the second driving screw groove 17 are opposite, the first driving seat 14 and the second driving seat 15 can drive the first sliding substrate 6 and the second sliding substrate 7 to move relatively when the first driving screw groove 16 and the second driving screw groove 17 respectively and the driving screw 18 generate screw rotation.

Meanwhile, as shown in fig. 3 and 4, in order to avoid abrasion to the tempered glass, the utility model discloses a, the opposite side walls of the first centering butt plate 8 and the second centering butt plate 9 are provided with a plurality of anti-abrasion rollers 20 extending along the vertical direction in a rotating manner, one side of the plurality of anti-abrasion rollers 20 abutting against the tempered glass is located on the horizontal rectangular edge where the sensing ends of the four contact sensors 11 are located, when the tempered glass is clamped on the opposite side walls of the first centering butt plate 8 and the second centering butt plate 9 in the conveying process, the anti-abrasion rollers 20 roll, the friction force between the first centering butt plate 8, the second centering butt plate 9 and the tempered glass is reduced, and then the side walls of the tempered glass can be prevented from being abraded; in order to further avoid abrasion to the tempered glass, the circumferential wall of the wear-resistant roller 20 is provided with an elastic cushion pad 31, and meanwhile, in order to adjust the tempered glass to a direction perpendicular to the axial direction of the conveying roller 33 in the length direction, after the elastic cushion pad 31 is added on the wear-resistant roller 20, one side of the deformed elastic cushion pad 31, which is in contact with the tempered glass, is located on a horizontal rectangular edge where the sensing ends of the four contact sensors 11 are located.

As shown in fig. 3, fig. 4 and fig. 5, in order to avoid the over-thinning of the tempered glass, the first centering support plate 8 and the second centering support plate 9 cannot be clamped on the tempered glass, the first centering support plate 8 and the second centering support plate 9 of the present invention each include a connecting plate 21 connected with the first sliding base plate 6 and the second sliding base plate 7, a sliding groove 22 disposed at the bottom end of the connecting plate 21, a support plate 23 slidably disposed in the sliding groove 22, and a tension spring 24 disposed between the top end of the support plate 23 and the groove wall of the sliding groove 22, and the bottom end of the support plate 23 is abutted against the conveying roller 33, and the present invention is only marked with the structural characteristics of the first centering support plate 8; under the effect of tension spring 24, conflict board 23 can move to the direction of transfer roller 33 along the cell wall of sliding groove 22, and then the bottom of conflict board 23 supports on transfer roller 33, makes first in to support board 8 and the second in to support board 9 and can accurately centre gripping toughened glass.

Meanwhile, as shown in fig. 5, in order to reduce the wear of the contact plate 23, in the present invention, the bottom end of the contact plate 23 is provided with a plurality of drag rollers 30 whose axes are parallel to the axes of the transfer roller 33, and one end of the drag roller 30 close to the tempered glass is located on the horizontal rectangular edge where the sensing ends of the four contact sensors 11 are located; when the abutting plate 23 abuts on the conveying roller 33, the frictional form between the abutting plate 23 and the conveying roller 33 is converted from sliding friction to rolling friction by the drag roller 30, reducing the frictional force between the conveying roller 33 and the abutting plate 23.

As shown in fig. 5, the bottom ends of the first sliding base plate 6 and the second sliding base plate 7 are both provided with a mounting groove 25, the top ends of the first middle abutting plate 8 and the second middle abutting plate 9 are both provided with a mounting plate 26 inserted into the mounting groove 25, the vertical side walls of the first sliding base plate 6 and the second sliding base plate 7 are both provided with a fixed through groove 27 extending to the mounting groove 25, the mounting plate 26 is provided with a fixed groove 28 opposite to the fixed through groove 27, and a fixed bolt 29 is connected between the fixed groove 28 and the fixed through groove 27 through a thread; insert mounting panel 26 in the mounting groove 25, then with fixing bolt 29 threaded connection between fixed slot 28 and fixed logical groove 27, can realize first base plate 6 that slides and second base plate 7 that slides respectively with to the centering to the releasable connection of board and second centering to board 9, the change and the maintenance of the board 8 in the first centering of later stage of being convenient for and second centering to board 9.

The working process is as follows:

the limiting baffle 2 prevents the toughened glass from falling out of the toughened glass machine 1, after the toughened glass is output from the toughened glass machine 1, the infrared sensor 12 senses that the toughened glass moves to the conveying roller 33, the automatic controller 13 controls the servo motor 19 to work to cause the driving screw 18 to simultaneously rotate with the first driving screw groove 16 and the second driving screw groove 17 in a threaded manner, so that the first sliding substrate 6 and the second sliding substrate 7 are relatively close to each other in the adjusting through groove 5, the first middle supporting plate 8 and the second middle supporting plate 9 are further driven to relatively close to each other and clamp the toughened glass, the toughened glass is acted by the side walls of the first middle supporting plate 8 and the second middle supporting plate 9, the orientation of the toughened glass on the conveying roller 33 is changed, when the four contact sensors 11 contact the toughened glass, the toughened glass is adjusted to the direction which is axially vertical to the conveying roller 33, and then toughened glass can flat ground transmit on transfer roller 33, simultaneously, four contact inductor 11 give automatic control 13 with the signal transmission, start servo motor 19, make drive screw 18 take place reverse screw rotation with first drive thread groove 16 and second drive thread groove 17 simultaneously, the offset 8 is kept away from relatively with the offset 9 in the second in first pair, can not hinder toughened glass's conveying, and then the utility model discloses can make the toughened glass who comes out by toughened glass machine 1 enter into transfer roller 33 on flat, avoid taking place the slope at toughened glass on transfer roller 33.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a positioner on toughened glass machine which characterized in that: comprises baffle plates (2) arranged at two sides of a toughened glass machine (1), an adjusting substrate (4) arranged at the feed end of a conveying roller (33) and positioned above the conveying roller (33) through a supporting column (3), an adjusting through groove (5) penetrating through the adjusting substrate (4) along the vertical direction, a first sliding substrate (6) and a second sliding substrate (7) arranged in the adjusting through groove (5) in a sliding manner, wherein the first sliding substrate (6) and the second sliding substrate (7) relatively move along the direction vertical to the conveying direction of the conveying roller (33), a first centering butt plate (8) and a second centering butt plate (9) which are respectively arranged at the bottom ends of the first sliding substrate (6) and the second sliding substrate (7), the opposite side walls of the first centering butt plate (8) and the second centering butt plate (9) are vertical to the axis of the conveying roller (33) and the bottom ends are abutted against the conveying roller (33), the glass tempering machine is characterized by further comprising a synchronous driving assembly (10) arranged on the upper surface of the adjusting substrate (4) and used for driving the first sliding substrate (6) and the second sliding substrate (7) to slide relatively, two contact inductors (11) respectively arranged on opposite side walls of the first centering abutting plate (8) and the second centering abutting plate (9), four induction ends of the contact inductors (11) are located at the four corners of a horizontal rectangle with one side perpendicular to the axis of the conveying roller (33), the glass tempering machine also comprises an infrared inductor (12) arranged at the feeding end of the conveying roller (33) and located on one side, close to the tempering glass machine (1), of the adjusting substrate (4), and the synchronous driving assembly (10) receives signals of the contact inductors (11) and the infrared inductor (12) through an automatic controller (13) to work.

2. The positioning device on the tempered glass machine of claim 1, wherein: the synchronous driving assembly (10) comprises a first driving seat (14) and a second driving seat (15) which are oppositely arranged on the upper surfaces of a first sliding base plate (6) and a second sliding base plate (7), a first driving screw groove (16) and a second driving screw groove (17) which are respectively arranged on the opposite side walls of the first driving seat (14) and the second driving seat (15) in a penetrating way, a driving screw rod (18) which is rotatably arranged on the upper surface of the adjusting base plate (4) through a bearing seat and a bearing, a servo motor (19) which is arranged on the adjusting base plate (4) and drives the driving screw rod (18) to rotate, wherein the driving screw rod (18) extends along the conveying direction vertical to the conveying roller (33) and is in threaded connection with the first driving screw groove (16) and the second driving screw groove (17), the automatic controller (13) receives signals of the contact sensor (11) and the infrared sensor (12) to control the driving screw rod (18) to rotate.

3. The positioning device on the tempered glass machine of claim 1, wherein: the anti-grinding rollers (20) with a plurality of axes extending along the vertical direction are rotatably arranged on the opposite side walls of the first centering resisting plate (8) and the second centering resisting plate (9), and one side, abutted against the toughened glass, of each anti-grinding roller (20) is located on the horizontal rectangular edge where the sensing end of each contact sensor (11) is located.

4. The positioning device on the tempered glass machine of claim 1, wherein: first centering is supported board (8) and second centering and is supported board (9) and all include connecting plate (21) of being connected with first base plate (6) and the second base plate (7) that slides, set up groove (22) that slides in connecting plate (21) bottom, slide setting support touch panel (23) and setting tension spring (24) between support touch panel (23) top and groove (22) cell wall that slides in groove (22) that slides, the bottom and transfer roller (33) butt of support touch panel (23).

5. The positioning device on the tempered glass machine of claim 1, wherein: the bottom of first base plate (6) and the second base plate (7) that slides all is provided with mounting groove (25), the top of first centering is supported board (8) and second centering and is supported board (9) and all be provided with mounting panel (26) of pegging graft with mounting groove (25), all be provided with fixed logical groove (27) that extend to mounting groove (25) on first base plate (6) and the second base plate (7) that slide on the vertical lateral wall, be provided with on mounting panel (26) and fixed slot (28) relative with fixed logical groove (27), threaded connection has fixing bolt (29) between fixed slot (28) and fixed logical groove (27).

6. The positioning device on the tempered glass machine of claim 4, wherein: the bottom of the touch panel (23) is provided with a plurality of drag reduction rollers (30) with axes parallel to the conveying rollers (33), and one end of each drag reduction roller (30) close to the toughened glass is located on the horizontal rectangular edge of the sensing end of each contact sensor (11).

7. The positioning device on the tempered glass machine of claim 3, wherein: an elastic cushion pad (31) is arranged on the peripheral wall of the anti-grinding roller (20), and one side of the deformed elastic cushion pad (31) contacting with the toughened glass is positioned on the horizontal rectangular edge where the sensing ends of the four contact sensors (11) are positioned.

8. The positioning device on the tempered glass machine of claim 1, wherein: limiting plates (32) are arranged at the top ends of the vertical side walls of the first centering abutting plate (8) and the second centering abutting plate (9), and the upper surfaces of the limiting plates (32) are abutted to the lower surface of the adjusting base plate (4).